AQUACEL? Ag+ dressings are antimicrobial dressings for use in wounds that are infected or at risk of infection. They are designed to manage the 3 key barriers to healing - exudate, infection and biofilm. AQUACEL? Ag+ dressings incorporate proven Hydrofiber? Technology which works to absorb and retain excess exudate and Ag+ Technology which destroys biofilm and and kills infection causing bacteria.